package net.oschina.app.v2.model;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import net.oschina.app.v2.AppException;
import net.oschina.app.v2.utils.StringUtils;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import android.util.Xml;

/**
 * 动弹列表实体类
 * 
 * @author liux (http://my.oschina.net/liux)
 * @version 1.0
 * @created 2012-3-21
 */
public class TweetList extends Entity implements ListEntity {

	public final static int CATALOG_LASTEST = 0;
	public final static int CATALOG_HOT = -1;

	private int pageSize;
	private int tweetCount;
	private List<Tweet> tweetlist = new ArrayList<Tweet>();

	public int getPageSize() {
		return pageSize;
	}

	public int getTweetCount() {
		return tweetCount;
	}

	public List<Tweet> getTweetlist() {
		return tweetlist;
	}

	public static TweetList parse(InputStream inputStream) throws IOException,
			AppException {
		TweetList tweetlist = new TweetList();
		Tweet tweet = null;
		// 获得XmlPullParser解析器
		XmlPullParser xmlParser = Xml.newPullParser();
		try {
			xmlParser.setInput(inputStream, UTF8);
			// 获得解析到的事件类别，这里有开始文档，结束文档，开始标签，结束标签，文本等等事件。
			int evtType = xmlParser.getEventType();
			// 一直循环，直到文档结束
			while (evtType != XmlPullParser.END_DOCUMENT) {
				String tag = xmlParser.getName();
				switch (evtType) {
				case XmlPullParser.START_TAG:
					if (tag.equalsIgnoreCase("tweetCount")) {
						tweetlist.tweetCount = StringUtils.toInt(
								xmlParser.nextText(), 0);
					} else if (tag.equalsIgnoreCase("pageSize")) {
						tweetlist.pageSize = StringUtils.toInt(
								xmlParser.nextText(), 0);
					} else if (tag.equalsIgnoreCase(Tweet.NODE_START)) {
						tweet = new Tweet();
					} else if (tweet != null) {
						if (tag.equalsIgnoreCase(Tweet.NODE_ID)) {
							tweet.id = StringUtils.toInt(xmlParser.nextText(),
									0);
						} else if (tag.equalsIgnoreCase(Tweet.NODE_FACE)) {
							tweet.setFace(xmlParser.nextText());
						} else if (tag.equalsIgnoreCase(Tweet.NODE_BODY)) {
							tweet.setBody(xmlParser.nextText());
						} else if (tag.equalsIgnoreCase(Tweet.NODE_AUTHOR)) {
							tweet.setAuthor(xmlParser.nextText());
						} else if (tag.equalsIgnoreCase(Tweet.NODE_AUTHORID)) {
							tweet.setAuthorId(StringUtils.toInt(
									xmlParser.nextText(), 0));
						} else if (tag
								.equalsIgnoreCase(Tweet.NODE_COMMENTCOUNT)) {
							tweet.setCommentCount(StringUtils.toInt(
									xmlParser.nextText(), 0));
						} else if (tag.equalsIgnoreCase(Tweet.NODE_PUBDATE)) {
							tweet.setPubDate(xmlParser.nextText());
						} else if (tag.equalsIgnoreCase(Tweet.NODE_IMGSMALL)) {
							tweet.setImgSmall(xmlParser.nextText());
						} else if (tag.equalsIgnoreCase(Tweet.NODE_IMGBIG)) {
							tweet.setImgBig(xmlParser.nextText());
						} else if (tag.equalsIgnoreCase(Tweet.NODE_APPCLIENT)) {
							tweet.setAppClient(StringUtils.toInt(
									xmlParser.nextText(), 0));
						}
					}
					// 通知信息
					else if (tag.equalsIgnoreCase("notice")) {
						tweetlist.setNotice(new Notice());
					} else if (tweetlist.getNotice() != null) {
						if (tag.equalsIgnoreCase("atmeCount")) {
							tweetlist.getNotice().setAtmeCount(
									StringUtils.toInt(xmlParser.nextText(), 0));
						} else if (tag.equalsIgnoreCase("msgCount")) {
							tweetlist.getNotice().setMsgCount(
									StringUtils.toInt(xmlParser.nextText(), 0));
						} else if (tag.equalsIgnoreCase("reviewCount")) {
							tweetlist.getNotice().setReviewCount(
									StringUtils.toInt(xmlParser.nextText(), 0));
						} else if (tag.equalsIgnoreCase("newFansCount")) {
							tweetlist.getNotice().setNewFansCount(
									StringUtils.toInt(xmlParser.nextText(), 0));
						}
					}
					break;
				case XmlPullParser.END_TAG:
					// 如果遇到标签结束，则把对象添加进集合中
					if (tag.equalsIgnoreCase("tweet") && tweet != null) {
						tweetlist.getTweetlist().add(tweet);
						tweet = null;
					}
					break;
				}
				// 如果xml没有结束，则导航到下一个节点
				evtType = xmlParser.next();
			}
		} catch (XmlPullParserException e) {
			throw AppException.xml(e);
		} finally {
			inputStream.close();
		}
		return tweetlist;
	}

	@Override
	public List<?> getList() {
		return tweetlist;
	}
}
